Home / 989,819.64-1,365,981.42-581,846.64

Finding the Fourth Proportional to 989,819.64, 1,365,981.42 and 581,846.64

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Solution

The fourth proportional to 989,819.64, 1,365,981.42 and 581,846.64 is: 802,966.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,819.64 : 1,365,981.42 = 581,846.64 : x
  2. Step 2: Convert to fraction form
    989,819.64/1,365,981.42 = 581,846.64/x
  3. Step 3: Cross multiply
    989,819.64x = 1,365,981.42 × 581,846.64
  4. Step 4: Simplify right side
    989,819.64x = 794,791,699,529.43
  5. Step 5: Solve for x
    x = 794,791,699,529.43/989,819.64
  6. Step 6: Final answer
    x = 802,966.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.